[PATCH] D87953: [xray] Function coverage groups

[Ian Levesque via Phabricator via cfe-commits]

ianlevesque added a comment.

In D87953#2284071 <https://reviews.llvm.org/D87953#2284071>, @MaskRay wrote:

> How large the overhead is? This is somewhat surprising to me.

It is the binary size overhead, not the runtime overhead, that we are limited on (when deployed on Android).


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